diff --git a/README.md b/README.md
index 61f4b77d..630b0b2d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 ## 西电睿思手机客户端
 西安电子科技大学校园睿思论坛Android客户端。    
-支持夜间模式，支持主题，如有bug，或者新功能建议欢迎提出Issue .   
-Ios版见[Ruisi_Ios](https://github.com/freedom10086/Ruisi_Ios)
+支持夜间模式，支持主题，如有bug，或者新功能建议欢迎提出Issue .
+
+iOS版见[Ruisi_Ios](https://github.com/freedom10086/Ruisi_Ios)
 
 ### 更新地址:
 
diff --git a/app/build.gradle b/app/build.gradle
index b5d62a8d..32c64071 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,14 +2,14 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '27.0.1'
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
         applicationId "me.yluo.ruisiapp"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 27
-        versionName '2.7.0'
+        versionCode 28
+        versionName '2.8.0'
 
     }
 
@@ -25,12 +25,12 @@ repositories {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:design:27.0.2'
-    implementation 'com.android.support:cardview-v7:27.0.2'
-    implementation 'com.android.support:recyclerview-v7:27.0.2'
+    implementation 'com.android.support:design:27.1.0'
+    implementation 'com.android.support:cardview-v7:27.1.0'
+    implementation 'com.android.support:recyclerview-v7:27.1.0'
     implementation 'org.jsoup:jsoup:1.11.2'
     implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.10'
     implementation 'com.squareup.picasso:picasso:2.5.2'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
-    implementation 'com.android.support:customtabs:27.0.2'
+    implementation 'com.android.support:customtabs:27.1.0'
 }